CN205486048U - Flat -panel display input filter circuit - Google Patents
Flat -panel display input filter circuit Download PDFInfo
- Publication number
- CN205486048U CN205486048U CN201620031120.2U CN201620031120U CN205486048U CN 205486048 U CN205486048 U CN 205486048U CN 201620031120 U CN201620031120 U CN 201620031120U CN 205486048 U CN205486048 U CN 205486048U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- amplifier
- filter circuit
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model provides a flat -panel display input filter circuit, it includes amplifier, first resistance, second resistance, third resistance, first electric capacity and second electric capacity, input voltage is connected to first resistance one end, one end, the one end of second resistance and the one end of second electric capacity of third resistance are connected to the first resistance other end, second electric capacity other end ground connection, the one end of reverse input end with the first electric capacity of amplifier is connected to the third resistance other end, the other end of first electric capacity with the output is connected respectively to the other end of second resistance, the output of amplifier is the output, not the positive going input termination ground of amplifier. The utility model provides an effectual filtering of flat -panel display input filter circuit incoming signal's harmonic part, avoided the display to show noisy point.
Description
Technical field
This utility model relates to flat display technology field, particularly a kind of flat faced display input filter electricity
Road.
Background technology
The input circuit of the flat faced display that prior art provides has more harmonic, and prior art is not
There is the technical scheme solving Similar Problems.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of flat faced display input filter circuit,
It includes amplifier, the first resistance, the second resistance, the 3rd resistance, the first electric capacity and the second electric capacity, institute
State first resistance one end and connect input voltage, the described first resistance other end connect one end of the 3rd resistance, the
One end of two resistance and one end of the second electric capacity, described second electric capacity other end ground connection, described 3rd resistance
The other end connects reverse input end and one end of the first electric capacity of amplifier, the other end of described first electric capacity and
The other end of described second resistance connects outfan respectively, and the outfan of described amplifier is outfan, described
The positive input ground connection of amplifier.
It is preferred that the resistance of described first resistance, the second resistance and the 3rd resistance is respectively 1K Ω.
It is preferred that the capacitance of described first electric capacity is 100 μ F, housing of described second electric capacity is 150 μ F.
This utility model has the advantages that
The flat faced display input filter circuit that this utility model provides effectively has filtered the harmonic wave of input signal
Part, it is to avoid display display noise.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above simultaneously
Advantage.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, institute embodiment will be described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only this practicality
Some novel embodiments, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flat faced display input filter circuit composition schematic diagram that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
All other embodiments that member is obtained under not making creative work premise, broadly fall into this utility model
The scope of protection.
This utility model embodiment provides a kind of flat faced display input filter circuit, it include amplifier U1,
First resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1 and the second electric capacity C2, first
Resistance R1 one end connect input voltage, first the resistance R1 other end connect one end of the 3rd resistance R3, second
One end of resistance R2 and one end of the second electric capacity C2, the second electric capacity C2 other end ground connection, the 3rd resistance R3
The other end connects reverse input end and one end of the first electric capacity C1, the other end of the first electric capacity C1 of amplifier
Being connected outfan respectively with the other end of the second resistance R2, the outfan of amplifier U1 is outfan, amplifies
The positive input ground connection of device U1.
First resistance R1, the resistance of the second resistance R2 and the 3rd resistance R3 are respectively 1K Ω.
The capacitance of the first electric capacity C1 is 100 μ F, and housing of the second electric capacity C2 is 150 μ F.
The flat faced display input filter circuit that this utility model provides effectively has filtered the harmonic wave of input signal
Part, it is to avoid display display noise.
This utility model preferred embodiment disclosed above is only intended to help to illustrate this utility model.Preferred embodiment
The not all of details of detailed descriptionthe, is also not intended to the detailed description of the invention that this utility model is only described.
Obviously, according to the content of this specification, can make many modifications and variations.This specification is chosen and has
Body describes these embodiments, is to preferably explain principle of the present utility model and actual application, so that
Skilled artisan can be best understood by and utilize this utility model.This utility model is only by right
Claim and four corner thereof and the restriction of equivalent.
Claims (3)
1. a flat faced display input filter circuit, it is characterised in that include amplifier, the first resistance,
Second resistance, the 3rd resistance, the first electric capacity and the second electric capacity, described first resistance one end connects input electricity
Pressure, the described first resistance other end connects one end of the 3rd resistance, one end of the second resistance and the second electric capacity
One end, described second electric capacity other end ground connection, described 3rd the resistance other end connect amplifier the most defeated
Enter the other end of one end of end and the first electric capacity, the other end of described first electric capacity and described second resistance respectively
Connecting outfan, the outfan of described amplifier is outfan, the positive input ground connection of described amplifier.
2. flat faced display input filter circuit as claimed in claim 1, it is characterised in that described first
The resistance of resistance, the second resistance and the 3rd resistance is respectively 1K Ω.
3. flat faced display input filter circuit as claimed in claim 1, it is characterised in that described first
The capacitance of electric capacity is 100 μ F, and housing of described second electric capacity is 150 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031120.2U CN205486048U (en) | 2016-01-11 | 2016-01-11 | Flat -panel display input filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031120.2U CN205486048U (en) | 2016-01-11 | 2016-01-11 | Flat -panel display input filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205486048U true CN205486048U (en) | 2016-08-17 |
Family
ID=56668538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620031120.2U Expired - Fee Related CN205486048U (en) | 2016-01-11 | 2016-01-11 | Flat -panel display input filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205486048U (en) |
-
2016
- 2016-01-11 CN CN201620031120.2U patent/CN205486048U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205486048U (en) | Flat -panel display input filter circuit | |
| CN205545634U (en) | Display incoming signal amplifier circuit | |
| CN205544912U (en) | Stereo set power input circuit | |
| CN207251465U (en) | Inverter and its voltage peak absorbing circuit | |
| CN205545499U (en) | Cell -phone pronunciation filter circuit | |
| CN205490453U (en) | Intelligent terminal audio power amplifier filter circuit | |
| CN205490439U (en) | Cell -phone originating node LC filter circuit | |
| CN205490452U (en) | Computer audio output filter circuit | |
| CN205545870U (en) | Headset audio input output circuit | |
| CN103633956A (en) | Charge amplifier | |
| CN205490109U (en) | Computer audio frequency supply circuit | |
| CN205545869U (en) | Handheld terminal audio frequency supply circuit | |
| CN106856085A (en) | A kind of outdoor large display screen picture stabilizing circuit | |
| CN205540640U (en) | Cell -phone touch screen power supply magnification system | |
| CN205544351U (en) | Handheld terminal charging circuit | |
| CN205670837U (en) | A kind of audio protection circuit | |
| CN207475503U (en) | Novel filter circuit | |
| CN106507247A (en) | A kind of large-scale stereo set volume playing circuit | |
| CN106681468A (en) | Screen power supply amplification device based on smartphone | |
| CN106856399A (en) | A kind of communication apparatus conveys signal amplification circuit filter | |
| CN207571121U (en) | A kind of cancellation element of sensor disturbance factor and the sensor using the device | |
| CN203219258U (en) | Splitter circuit capable of filtering noise waves | |
| CN203261411U (en) | Double-branch end branching device circuit | |
| CN205249077U (en) | Contravariant board | |
| CN203233497U (en) | Dual-branch terminal branching device circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |